Severe Weather Chances Open the First Week of August
August 3rd, 2020
Wyoming is starting off the first week of the new month on a sunny note, with temperatures in the 90s for plenty of locations and upper 80s for others. But as the afternoon comes around, storms will pop up around the state, especially the eastern half, and some of them could be severe. A stationary front has set up along the Laramie Mountain Range, which will allow storms to form as air moves over the mountains. The front’s location will allow some of these storms to be rather intense, especially in regards to winds and some small hail. The storm prediction center has issued a Marginal (Level 1) risk for severe weather for the entire eastern half of the state, including both Cheyenne and Casper as well as Laramie and Douglas.
In terms of ingredients for the storms, there will be plenty of energy available for them in the afternoon and evening hours. CAPE (Convective Available Potential Energy) values are over 1500 for much of Eastern Wyoming, indicating that there is energy for storms to be strong this afternoon. CAPE is not an indicator for tornado risk, but rather how intense storms can be. Higher CAPE values mean that intense storms are more likely and that some are could maintain that intensity for a long period of time. The highest CAPE values are in Wheatland, indicating the strongest storms this afternoon are likely to be in Platte and Goshen counties, however Converse county could also see some strong storms as well. The mountains in Albany county will likely lower the threat for locations such as Laramie. Following today another round of severe weather looks to be possible tomorrow.
CHEYENNE, Wyo. (Wyoming News Now) -
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